Choose the sentence that correctly uses a colon.
A) I am telling you that: she has got to go!
B) Last time I went bungee jumping: I did a swan dive from the platform.
Eliminate
C) Before going sky-diving, be sure to bring the following: goggles, a parachute, and ample courage.
D) Racing mountains bikes requires excellent physical fitness: but racing also requires a certain amount of recklessness.